The curve treadmill(Curved Manual Treadmill/Woody Treadmill/Self-propelled Treadmill/Curved Manual TreadmillSelf-generating TreadmillAir Runner) innovative combination of walk, quick walk, jog, quick run, rush run, mountain climbing run, perfect integration from civilian to competition, to meet the consumerundefineds more sports mode selection needs. Environmental protection and electricity conservation, advocating green sports, in line with the concept of green sports.